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Title: | Ultradilute low-dimensional liquids |
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Author: | Petrov, D. S.; Astrakharchik, Grigori |
Other authors: | Universitat Politècnica de Catalunya. Departament de Física; Universitat Politècnica de Catalunya. SIMCON - Grup de Recerca de Simulació per Ordinador en Matèria Condensada |
Abstract: | We calculate the energy of one- and two-dimensional weakly interacting Bose-Bose mixtures analytically in the Bogoliubov approximation and by using the diffusion Monte Carlo technique. We show that in the case of attractive inter- and repulsive intraspecies interactions the energy per particle has a minimum at a finite density corresponding to a liquid state. We derive the Gross-Pitaevskii equation to describe droplets of such liquids and solve it analytically in the one-dimensional case. |
Subject(s): | -Àrees temàtiques de la UPC::Física::Física de fluids::Líquids -Monte Carlo method -Gross-Pitaevskii equations -Ultradilute low-dimensional liquids -Bogoliubov approximation -Monte Carlo technique -Gross-Pitaevskii equation -Montecarlo, Mètode de |
Rights: | http://creativecommons.org/licenses/by-nc-nd/3.0/es/ |
Document type: | Article - Published version Article |
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